Justie Wu

Justie Wu

Product Builder.
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Firer App is a personal FIRE timeline calculator that shows exactly when you could reach financial independence. Enter your income, spending, and assets to see Coast, Lean, Full, and Fat FIRE mapped visually over time. Explore how life changes shift your path and get a clear monthly savings target to stay on track β€” all in a simple, privacy-first interface.
Firer App
Firer AppVisualize your path to financial independence